Extract BibTeX data automatically and modify BibTeX Key to AUTHOR_YEAR_TITLE.
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// ==UserScript==
// @name MRLookup
// @namespace vanabeljs
// @description Extract BibTeX data automatically and modify BibTeX Key to AUTHOR_YEAR_TITLE.
// @description:ZH-CN 自动提取BibTeX数据并修改BibTeX关键字为AUTHOR_YEAR_TITLE的形式.
// @copyright 2018, Van Abel (https://home.vanabel.cn)
// @license OSI-SPDX-Short-Identifier
// @version 3.0.0
// @include */mathscinet/search/publications.html?fmt=bibtex*
// @include */mathscinet/clipboard.html
// @include */mrlookup
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_registerMenuCommand
// @grant GM_setClipboard
// ==/UserScript==
// ==OpenUserJS==
// @author Van Abel
// ==/OpenUserJS==
/**
* Webhook test: Testing automatic sync to Greasy Fork
*/
/*The first word to ignore in title*/
var IgnoreStringInTitle = [
'a',
'an',
'on',
'the',
'another'
];
function IgnoreStringToRegExp(arr) {
var regexp = '^(';
var arrlen = arr.length;
for (var i = 0; i < arrlen; i++) {
if (i == arrlen - 1) {
regexp += '(' + arr[i] + ')';
} else {
regexp += '(' + arr[i] + ')|';
}
}
regexp += ')\\s+';
return regexp;
}//console.log(IgnoreStringToRegExp(IgnoreStringInTitle));
/*split bibdata*/
function parseBibTexLine(text) {
try {
var m = text.match(/^\s*(\S+)\s*=\s*/);
if (!m) {
console.error('Invalid line format:', text);
return null;
}
var name = m[1];
var search = text.slice(m[0].length);
var re = /[\n\r,{}]/g;
var braceCount = 0;
var length = m[0].length;
do {
m = re.exec(search);
if (!m) break;
if (m[0] === '{') {
braceCount++;
} else if (m[0] === '}') {
if (braceCount === 0) {
throw new Error('Unexpected closing brace: "}"');
}
braceCount--;
}
} while (braceCount > 0);
return {
field: name,
value: search.slice(0, re.lastIndex),
length: length + re.lastIndex + (m ? m[0].length : 0)
};
} catch (error) {
console.error('Error parsing BibTeX line:', error);
return null;
}
}
function parseBibTex(text) {
var m = text.match(/^\s*@([^{]+){([^,\n]+)[,\n]/);
if (!m) {
throw new Error('Unrecogonised header format');
}
var result = {
typeName: m[1].trim(),
citationKey: m[2].trim()
};
text = text.slice(m[0].length).trim();
while (text[0] !== '}') {
var pair = parseBibTexLine(text);
if (!pair) break;
// Convert field name to lowercase for consistency
result[pair.field.toLowerCase()] = pair.value;
text = text.slice(pair.length).trim();
}
return result;
}
function cleanAuthorName(author) {
if (!author) return '';
// 分割多个作者
let authors = author.split(/\s*and\s*/);
// 获取所有作者的姓
let lastNames = authors.map(author => {
// 提取姓（通常是逗号前的部分）
let lastName = author.split(',')[0];
// 对于复合姓氏，取最后一部分
let nameParts = lastName.split(/\s+/);
let finalLastName = nameParts[nameParts.length - 1];
// 清理特殊字符
return finalLastName.replace(/[{}\\\s\'"`]/g, '');
});
// 拼接所有作者的姓
return lastNames.join('');
}
function cleanTitle(title) {
if (!title) return '';
// 移除LaTeX命令和数学符号
title = title.replace(/\\[a-zA-Z]+/g, '') // 移除LaTeX命令
.replace(/\$[^$]*\$/g, '') // 移除数学公式
.replace(/[{}\\\'"`]/g, '') // 移除特殊字符
.replace(/\{[^}]*\}/g, ''); // 移除花括号内容
// 按空格、连字符和标点符号分割成单词
let words = title.split(/[\s\-,.:;]+/)
.filter(word => word.length > 0) // 移除空字符串
.map(word => word.replace(/[^a-zA-Z]/g, '')); // 只保留字母
// 找到第一个有意义的单词
for (let word of words) {
// 转换为小写进行比较
let lowercaseWord = word.toLowerCase();
// 检查是否是忽略词或单个字母
if (!IgnoreStringInTitle.includes(lowercaseWord) &&
word.length > 1 &&
!/^\d+$/.test(word)) { // 排除纯数字
// 转换为首字母大写
return word.charAt(0).toUpperCase() + word.slice(1).toLowerCase();
}
}
// 如果没有找到合适的单词，返回空字符串
return '';
}
// Configuration
const CONFIG = {
useJournal: GM_getValue('useJournal', true), // Default use journal abbreviation
debug: GM_getValue('debug', false) // Debug mode
};
// Test data for debug mode
const DEFAULT_TEST_DATA = `@misc{chen2014l2modulispacessymplecticvortices,
title={$L^2$-moduli spaces of symplectic vortices on Riemann surfaces with cylindrical ends},
author={Bohui Chen and Bai-Ling Wang},
year={2014},
eprint={1405.6387},
archivePrefix={arXiv},
primaryClass={math.SG},
url={https://arxiv.org/abs/1405.6387},
}`;
// Get stored test data or use default
let TEST_DATA = GM_getValue('testData', DEFAULT_TEST_DATA);
// Function to update test data
function updateTestData(newData) {
TEST_DATA = newData;
GM_setValue('testData', newData);
}
// 注册菜单命令
GM_registerMenuCommand('Toggle Journal/Title Mode', function() {
const currentMode = GM_getValue('useJournal', true);
const newMode = !currentMode;
GM_setValue('useJournal', newMode);
CONFIG.useJournal = newMode;
// 显示当前模式
const modeText = newMode ? 'Journal Mode' : 'Title Mode';
alert('Switched to ' + modeText);
// 刷新页面以应用新设置
location.reload();
});
// Add status indicator
function addStatusIndicator() {
// Remove existing indicator if any
const existingIndicator = document.getElementById('mode-indicator');
if (existingIndicator) {
existingIndicator.remove();
}
const indicator = document.createElement('div');
indicator.id = 'mode-indicator';
indicator.style.cssText = `
position: fixed;
top: 10px;
right: 10px;
padding: 5px 10px;
background: #f0f0f0;
border: 1px solid #ccc;
border-radius: 3px;
font-size: 12px;
z-index: 9999;
cursor: pointer;
user-select: none;
margin-bottom: 5px;
`;
indicator.textContent = CONFIG.useJournal ? 'Mode: Journal' : 'Mode: Title';
// Add click handler to toggle mode
indicator.addEventListener('click', function() {
const currentMode = GM_getValue('useJournal', true);
const newMode = !currentMode;
GM_setValue('useJournal', newMode);
CONFIG.useJournal = newMode;
// Update indicator text
this.textContent = newMode ? 'Mode: Journal' : 'Mode: Title';
// Update all BibTeX entries in place
updateBibTeXEntries();
});
document.body.appendChild(indicator);
}
// Function to update all BibTeX entries
function updateBibTeXEntries() {
const els = document.getElementsByTagName('pre');
for (let i = 0; i < els.length; i++) {
try {
const el = els[i];
const bibdata = parseBibTex(el.innerHTML);
if (!bibdata) continue;
// Extract author
const author = cleanAuthorName(bibdata.AUTHOR);
// Extract year
let year = '';
if (bibdata.YEAR) {
let yearMatch = bibdata.YEAR.match(/\d{4}/);
if (yearMatch) {
year = yearMatch[0];
}
}
// Get identifier based on current mode
let identifier = '';
if (CONFIG.useJournal && bibdata.JOURNAL) {
identifier = getJournalAbbrev(bibdata.JOURNAL);
if (!identifier) {
identifier = cleanTitle(bibdata.TITLE);
}
} else {
identifier = cleanTitle(bibdata.TITLE);
}
// Create new BibTeX key
const bibkey = author + year + identifier;
// Get all field names from the input, preserving their original case
const fieldNames = Object.keys(bibdata).filter(key =>
key !== 'typeName' && key !== 'citationKey'
).map(key => key.toUpperCase());
// Find the longest field name for alignment
const maxLength = Math.max(...fieldNames.map(name => name.length));
// Function to format a field with proper alignment
const formatField = (name, value) => {
const padding = ' '.repeat(maxLength - name.length);
return ` ${name}${padding} = {${value}},\n`;
};
// Standardize the format
let standardized = '@misc {' + bibkey + ',\n';
// Add all fields from the input
for (const field of fieldNames) {
const value = cleanValue(bibdata[field.toLowerCase()]);
if (value) {
standardized += formatField(field, value);
}
}
// Remove trailing comma and add closing brace
standardized = standardized.replace(/,\n$/, '\n}');
// Update both the citation key and MR number
el.innerHTML = el.innerHTML
.replace(/@\w+\s*{\s*[^,]+/, `@${bibdata.typeName} {${standardized}`)
.replace(/MR\d+/g, bibkey);
} catch (error) {
console.error('Error updating BibTeX entry:', error);
}
}
}
// 在页面加载完成后添加状态指示器
window.addEventListener('load', addStatusIndicator);
// 添加新的期刊处理函数
function getJournalAbbrev(journal) {
if (!journal) return '';
// 移除LaTeX命令和特殊字符
journal = journal.replace(/\\[a-zA-Z]+/g, '') // 移除LaTeX命令
.replace(/[{}\\\'"`]/g, '') // 移除特殊字符
.replace(/\([^)]*\)/g, '') // 移除括号内容
.replace(/\{[^}]*\}/g, '') // 移除花括号内容
.trim();
// 分割成单词
let words = journal.split(/[\s.]+/).filter(word => word.length > 0);
if (words.length === 1) {
// 如果只有一个单词，取前三个字母并转为大写
return words[0].slice(0, 3).toUpperCase();
} else {
// 多个单词时提取大写字母
let abbrev = journal.match(/[A-Z]/g);
return abbrev ? abbrev.join('') : '';
}
}
var els = document.getElementsByTagName('pre');
for (var i = 0; i < els.length; i++) {
try {
var el = els[i];
var bibdata = parseBibTex(el.innerHTML);
if (!bibdata) continue;
// 提取作者
var author = cleanAuthorName(bibdata.AUTHOR);
// 提取年份
var year = '';
if (bibdata.YEAR) {
let yearMatch = bibdata.YEAR.match(/\d{4}/);
if (yearMatch) {
year = yearMatch[0];
}
}
// 根据配置选择使用期刊缩写还是标题
var identifier = '';
if (CONFIG.useJournal && bibdata.JOURNAL) {
identifier = getJournalAbbrev(bibdata.JOURNAL);
// 如果没有获取到期刊缩写，回退到使用标题
if (!identifier) {
identifier = cleanTitle(bibdata.TITLE);
}
} else {
identifier = cleanTitle(bibdata.TITLE);
}
// 组合BibTeX键
var bibkey = author + year + identifier;
// 替换原有的MR号
el.innerHTML = el.innerHTML.replace(/MR\d+/g, bibkey);
// 添加点击复制功能
el.addEventListener('click', function() {
try {
var bibdata_lb = this.innerHTML
.replace(/\r|\n/g, '\r\n')
.replace(/^\r\n/g, '')
.replace(/\s*$/g, '\r\n')
.replace(/\r\n\r\n/g, '\r\n');
GM_setClipboard(bibdata_lb);
} catch (error) {
console.error('Error copying to clipboard:', error);
}
});
} catch (error) {
console.error('Error processing BibTeX entry:', error);
}
}
/**
* auto set bibtex item checked for mrlookup site
*/
var url = location.pathname;
if (url.includes('mrlookup')) {
document.getElementsByName('format')[1].checked = true;
}
// Add button to standardize BibTeX
function addStandardizeButton() {
const button = document.createElement('button');
button.textContent = 'Standardize BibTeX';
button.style.cssText = `
position: fixed;
top: 45px;
right: 10px;
padding: 5px 10px;
background: #4CAF50;
color: white;
border: none;
border-radius: 3px;
cursor: pointer;
z-index: 9999;
margin-bottom: 5px;
`;
button.addEventListener('click', standardizeBibTeX);
document.body.appendChild(button);
}
// Add test data button when debug is on
function addTestDataButton() {
// Remove existing test button if any
const existingBtn = document.getElementById('test-data-btn');
if (existingBtn) {
existingBtn.remove();
}
// Only add button if debug mode is on
if (!CONFIG.debug) return;
const testBtn = document.createElement('button');
testBtn.id = 'test-data-btn';
testBtn.textContent = 'Test Data';
testBtn.style.cssText = `
position: fixed;
top: 115px;
right: 10px;
padding: 5px 10px;
background: #4CAF50;
color: white;
border: none;
border-radius: 3px;
cursor: pointer;
z-index: 9999;
margin-bottom: 5px;
`;
testBtn.addEventListener('click', () => {
// First open the dialog
standardizeBibTeX();
// Then fill it with test data
setTimeout(() => {
const textarea = document.querySelector('textarea');
if (textarea) {
textarea.value = TEST_DATA;
}
}, 100); // Small delay to ensure dialog is created
});
document.body.appendChild(testBtn);
}
// Add debug mode toggle
function addDebugToggle() {
const debugBtn = document.createElement('button');
debugBtn.textContent = CONFIG.debug ? 'Debug: ON' : 'Debug: OFF';
debugBtn.style.cssText = `
position: fixed;
top: 80px;
right: 10px;
padding: 5px 10px;
background: ${CONFIG.debug ? '#ff4444' : '#f0f0f0'};
color: ${CONFIG.debug ? 'white' : 'black'};
border: 1px solid #ccc;
border-radius: 3px;
cursor: pointer;
z-index: 9999;
margin-bottom: 5px;
`;
debugBtn.addEventListener('click', function() {
CONFIG.debug = !CONFIG.debug;
GM_setValue('debug', CONFIG.debug);
this.textContent = CONFIG.debug ? 'Debug: ON' : 'Debug: OFF';
this.style.background = CONFIG.debug ? '#ff4444' : '#f0f0f0';
this.style.color = CONFIG.debug ? 'white' : 'black';
// Update test data button visibility
addTestDataButton();
});
document.body.appendChild(debugBtn);
}
// Show debug result
function showDebugResult(result) {
if (!CONFIG.debug) return;
// Remove existing debug result if any
const existingResult = document.getElementById('debug-result');
if (existingResult) {
existingResult.remove();
}
// Create overlay
const overlay = document.createElement('div');
overlay.style.cssText = `
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: rgba(0,0,0,0.5);
z-index: 10000;
`;
const resultDiv = document.createElement('div');
resultDiv.id = 'debug-result';
resultDiv.style.cssText = `
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
background: white;
padding: 20px;
border-radius: 5px;
box-shadow: 0 2px 10px rgba(0,0,0,0.2);
z-index: 10001;
width: 80%;
max-width: 800px;
max-height: 80vh;
overflow: auto;
`;
const pre = document.createElement('pre');
pre.style.cssText = `
white-space: pre-wrap;
word-wrap: break-word;
font-family: monospace;
font-size: 14px;
margin: 0;
padding: 10px;
background: #f8f8f8;
border-radius: 3px;
`;
pre.textContent = result;
const closeBtn = document.createElement('button');
closeBtn.textContent = 'Close';
closeBtn.style.cssText = `
position: absolute;
top: 10px;
right: 10px;
padding: 5px 15px;
background: #f0f0f0;
border: 1px solid #ccc;
border-radius: 3px;
cursor: pointer;
`;
closeBtn.onclick = () => {
document.body.removeChild(overlay);
};
// Close when clicking outside
overlay.addEventListener('click', (event) => {
if (event.target === overlay) {
document.body.removeChild(overlay);
}
});
resultDiv.appendChild(closeBtn);
resultDiv.appendChild(pre);
overlay.appendChild(resultDiv);
document.body.appendChild(overlay);
}
// Modify standardizeBibTeX to handle debug mode
function standardizeBibTeX() {
// Create dialog container
const dialog = document.createElement('div');
dialog.style.cssText = ` position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
background: white;
padding: 20px;
border-radius: 5px;
box-shadow: 0 2px 10px rgba(0,0,0,0.2);
z-index: 10000;
width: 80%;
max-width: 800px;
`;
// Create textarea
const textarea = document.createElement('textarea');
textarea.style.cssText = `
width: 100%;
height: 200px;
margin: 10px 0;
padding: 10px;
border: 1px solid #ccc;
border-radius: 3px;
font-family: monospace;
font-size: 14px;
resize: vertical;
`;
textarea.placeholder = 'Paste your BibTeX entry here...';
// Create buttons container
const buttons = document.createElement('div');
buttons.style.cssText = `
text-align: right;
margin-top: 10px;
`;
// Create cancel button
const cancelBtn = document.createElement('button');
cancelBtn.textContent = 'Cancel';
cancelBtn.style.cssText = `
padding: 5px 15px;
margin-right: 10px;
background: #f0f0f0;
border: 1px solid #ccc;
border-radius: 3px;
cursor: pointer;
`;
// Create submit button
const submitBtn = document.createElement('button');
submitBtn.textContent = 'Standardize';
submitBtn.style.cssText = `
padding: 5px 15px;
background: #4CAF50;
color: white;
border: none;
border-radius: 3px;
cursor: pointer;
`;
// Create overlay
const overlay = document.createElement('div');
overlay.style.cssText = `
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: rgba(0,0,0,0.5);
z-index: 9999;
`;
// Add event listeners
cancelBtn.onclick = () => {
document.body.removeChild(overlay);
};
// Close dialog when clicking outside
overlay.addEventListener('click', (event) => {
// Only close if clicking directly on the overlay, not its children
if (event.target === overlay) {
document.body.removeChild(overlay);
}
});
submitBtn.onclick = () => {
const input = textarea.value.trim();
if (!input) {
alert('Please enter a BibTeX entry');
return;
}
try {
// Store the input as test data if in debug mode
if (CONFIG.debug) {
updateTestData(input);
}
// Parse the input BibTeX
const bibdata = parseBibTex(input);
if (!bibdata) {
alert('Invalid BibTeX format');
return;
}
// Clean up the data by removing extra braces and preserving math
const cleanValue = (value) => {
if (!value) return '';
// Remove only the outermost braces if they exist
// This preserves all LaTeX commands and math formulas
return value.replace(/^{|}$/g, '');
};
// Extract author
const author = cleanAuthorName(cleanValue(bibdata.author));
// Extract year
let year = '';
if (bibdata.year) {
let yearMatch = cleanValue(bibdata.year).match(/\d{4}/);
if (yearMatch) {
year = yearMatch[0];
}
}
// Get identifier based on current mode
let identifier = '';
if (CONFIG.useJournal && bibdata.journal) {
identifier = getJournalAbbrev(cleanValue(bibdata.journal));
if (!identifier) {
identifier = cleanTitle(cleanValue(bibdata.title));
}
} else {
identifier = cleanTitle(cleanValue(bibdata.title));
}
// Create new BibTeX key
const bibkey = author + year + identifier;
// Get all field names from the input, preserving their original case
const fieldNames = Object.keys(bibdata).filter(key =>
key !== 'typeName' && key !== 'citationKey'
).map(key => key.toUpperCase());
// Find the longest field name for alignment
const maxLength = Math.max(...fieldNames.map(name => name.length));
// Function to format a field with proper alignment
const formatField = (name, value) => {
const padding = ' '.repeat(maxLength - name.length);
return ` ${name}${padding} = {${value}},\n`;
};
// Standardize the format
let standardized = '@misc {' + bibkey + ',\n';
// Add all fields from the input
for (const field of fieldNames) {
const value = cleanValue(bibdata[field.toLowerCase()]);
if (value) {
standardized += formatField(field, value);
}
}
// Remove trailing comma and add closing brace
standardized = standardized.replace(/,\n$/, '\n}');
if (CONFIG.debug) {
// Show debug result
showDebugResult(standardized);
} else {
// Copy to clipboard
GM_setClipboard(standardized);
alert('Standardized BibTeX has been copied to clipboard!');
}
document.body.removeChild(overlay);
} catch (error) {
console.error('Error standardizing BibTeX:', error);
alert('Error standardizing BibTeX. Please check the console for details.');
}
};
// Assemble dialog
buttons.appendChild(cancelBtn);
buttons.appendChild(submitBtn);
dialog.appendChild(textarea);
dialog.appendChild(buttons);
overlay.appendChild(dialog);
document.body.appendChild(overlay);
// Focus textarea
textarea.focus();
}
// Add the buttons when the page loads
window.addEventListener('load', function() {
addStandardizeButton();
addStatusIndicator();
addDebugToggle();
addTestDataButton();
});